Question

ПОМОГИТЕ ПЖ С 996НОМЕРОМ​

Answer 1

$(4-(frac{41}{84}-frac{5}{21})+7frac{11}{30}=4-(frac{41}{84}-frac{20}{84})+7frac{11}{30}=4-frac{41-20}{84}+7frac{11}{30}=4-frac{21}{84}+7frac{11}{30}=11frac{11}{30}-frac{1}{4}=11frac{22}{60}-frac{15}{60}=11frac{7}{60})$